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Finding the Fourth Proportional to 92,418.93, 138,628.71 and 22,298.25

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Solution

The fourth proportional to 92,418.93, 138,628.71 and 22,298.25 is: 33,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,418.93 : 138,628.71 = 22,298.25 : x
  2. Step 2: Convert to fraction form
    92,418.93/138,628.71 = 22,298.25/x
  3. Step 3: Cross multiply
    92,418.93x = 138,628.71 × 22,298.25
  4. Step 4: Simplify right side
    92,418.93x = 3,091,177,632.76
  5. Step 5: Solve for x
    x = 3,091,177,632.76/92,418.93
  6. Step 6: Final answer
    x = 33,447.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.